Circular tubular frame for a desk fan



FIG. 1 is a front perspective view of the circular tubular frame for a desk fan of the present invention;

FIG. 2 is a rear perspective view showing the circular tubular frame for a desk fan of the present invention;

FIG. 3 is a front elevational view of the circular tubular frame for a desk fan;

FIG. 4 is a rear elevational view of the circular tubular frame for a desk fan;

FIG. 5 is a side elevational view of the circular tubular frame for a desk fan;

FIG. 6 is a side elevational view of the opposed side of the circular tubular frame for a desk fan;

FIG. 7 is a bottom view of the circular tubular frame for a desk fan; and,

FIG. 8 is a top view of the circular tubular frame for a desk fan.

The broken line showing of the fan grill, hub and base is included for the purpose of illustrating environmental structure and forms no part of the claimed design. 

The ornamental design for a circular tubular frame for a desk fan, as shown and described. 